P51xx: Update Bluetooth permissions/restorecon

Make /dev/ttyO1 group-writable, add restorecon to two BT sysfs paths.

Change-Id: I8ff729f0e128b474933fce9439087da7c2dfbab6
P5100: Fix Sim-PIN layout

Fix a long standing lockscreen layout problem that was introduced in 4.2

Before: http://i.imgur.com/NETsfBy.png
After: http://i.imgur.com/80iWcRU.png

Change-Id: I5914c11025a73fadfb35b8029da421472d4b4d04